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Name the Octants in Which the Following Points Lie: (2, –5, –7) - Mathematics

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Question

Name the octants in which the following points lie:

 (2, –5, –7) 

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Solution

 The x-coordinate, the y-coordinate and the z-coordinate of the point (2, −5, −7) are positive, negative and negative, respectively.
 Therefore, this point lies in XOY'Z' octant.

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Chapter 28: Introduction to three dimensional coordinate geometry - Exercise 15.1 [Page 6]

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RD Sharma Mathematics [English] Class 11
Chapter 28 Introduction to three dimensional coordinate geometry
Exercise 15.1 | Q 1.7 | Page 6

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